Lowrance lmf-400 ユーザーズマニュアル

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5. Use the 

 and 

 keys to select a threshold between 3 and 40 

degrees. Press 

. You will be taken back to the main display. 

Stay-On Time: 
The Stay-On Time command allows you to choose how long a pop-up 

will remain on the screen after the data stops moving. The Stay-On 

Time setting will affect all four Pop-up Pages. 
1. Press 

, use the 

 and 

 keys to select 

 and press 

.  

2. Highlight 

 and press 

.  

3. Select 

 and press 

.  

4. Use the 

 and 

 keys to input the amount of time a pop up will 

remain on the screen. The stay-on time for a pop up may be set 

between 2 and 15. Press 

. You will be taken to the main display. 

  

   

 

Accessing the Screen menu allows you to make adjustments to the 

appearance of the screen. There are three options: Backlight, Contrast 

and Reverse Video. 
Backlight 
The Backlight feature allows you to brighten or dim the light in the 

LMF-400. 
To adjust Backlight: 
1. Press 

, use the 

 and 

 keys to select 

 and press 

.  

2. Highlight 

 and press 

. The Backlight menu will 

appear with two options: BLight Sync (Backlight Sync) and Adjust.  
3. Select 

 and press 

.  

4. A vertical scrollbar will appear. Use the 

 and 

 keys to set the 

backlight to a desired level. Press 

 to return to the Backlight menu.